Chameleon

Chameleon Commit Details

Date:2010-09-01 06:26:42 (13 years 8 months ago)
Author:Azimutz
Commit:465
Parents: 464
Message:Adding extra files for AutoResolution patch. Edit libsaio/makefile accordingly; leaving "debug build" stuff out, it get's messy!
Changes:
A/branches/azimutz/Chazi/i386/libsaio/ati_resolution.c
A/branches/azimutz/Chazi/i386/libsaio/autoresolution.h
A/branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.h
A/branches/azimutz/Chazi/i386/libsaio/gma.c
A/branches/azimutz/Chazi/i386/libsaio/ati_resolution.h
A/branches/azimutz/Chazi/i386/libsaio/edid.c
A/branches/azimutz/Chazi/i386/libsaio/gma_resolution.c
A/branches/azimutz/Chazi/i386/libsaio/gma.h
A/branches/azimutz/Chazi/i386/libsaio/edid.h
A/branches/azimutz/Chazi/i386/libsaio/autoresolution.c
A/branches/azimutz/Chazi/i386/libsaio/gma_resolution.h
A/branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.c
M/branches/azimutz/Chazi/i386/libsaio/Makefile

File differences

branches/azimutz/Chazi/i386/libsaio/ati_resolution.c
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/*␊
* ati_resolution.c␊
* ␊
*␊
* Created by Le Bidou on 19/03/10.␊
* Copyright 2010 ---. All rights reserved.␊
*␊
*/␊
␊
#include "ati_resolution.h"␊
␊
char detectAtiBiosType(sModeTable * table) {␉␊
␉return table->size % sizeof(atomModeTiming) == 0;␊
}␊
␊
␊
␊
vBiosMap * openAtiVbios(vBiosMap * map, atiBiosTables atiTables)␊
{␊
␉/*␊
␉ * Locate the Standard VESA Table␊
␉ */␊
␉␊
␉atiTables.masterDataTables = (uint16_t *) &((atomMasterDataTable *) (map->biosPtr + atiTables.atomRomHeader->masterDataTableOffset))->listOfDataTables;␊
␉uint16_t stdVesaOffset = (uint16_t) ((atomMasterListOfDataTables *)atiTables.masterDataTables)->StandardVESA_Timing;␊
␉atomStandardVesaTiming * stdVesa = (atomStandardVesaTiming *) (map->biosPtr + stdVesaOffset);␊
␉␊
␉// intialize the table chain with one element␊
␉sModeTable * table = intializeTables(map, 1);␊
␉␉␊
␉table->pointer = (uint8_t *)stdVesa + sizeof(atomCommonTableHeader);␊
␉PRINT("Standard VESA Table at offset * 0x%x\n", (uint8_t)(table->pointer - map->biosPtr));␊
␉if (table->pointer == 0) {␊
␉␉PRINT("Unable to locate the mode table.\n");␊
␉␉PRINT("Please run the program 'dump_bios' as root and\n");␊
␉␉PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");␊
␉␉␊
␉␉closeVbios(map);␊
␉␉return 0;␊
␉}␊
␉␊
␉//Determine Size of the Table␊
␉table->size = stdVesa->header.structureSize - sizeof(atomCommonTableHeader);␊
␉␊
␉/*␊
␉ * Find out type of table and how many entries it has␊
␉ */␊
␉␊
␉if (!detectAtiBiosType(table)) map->bios = BT_ATI_2;␊
␉if (map->bios == BT_ATI_2) {␊
␉␉table->modeCount = table->size / sizeof(atomDtdFormat);␊
␉␉map->setMode = atiSetMode_2;␊
␉␉PRINT("Using DTD Format modelines\n");␊
␉} else {␊
␉␉table->modeCount = table->size / sizeof(atomModeTiming);␊
␉␉map->setMode = atiSetMode_1;␊
␉␉PRINT("Using Atom Mode Timing modelines\n");␊
␉}␊
␉saveTables(table);␊
␉return map;␊
}␊
␊
bool atiSetMode_1(sModeTable * table, uint8_t idx, uint32_t * x, uint32_t * y)␊
{␊
␉atomModeTiming *modeTiming = (atomModeTiming *) table->pointer;␊
␉␊
␉// patch only if mode differs␊
␉if ((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive)) {␊
␉␉PRINT("Mode %dx%d -> ",modeTiming[idx].hActive, modeTiming[idx].vActive);␊
␉␉␊
␉␉modeTiming[idx].hActive = *x;␊
␉␉modeTiming[idx].vActive = *y;␊
␉␉␊
␉␉PRINT("%dx%d\n",modeTiming[idx].hActive, modeTiming[idx].vActive);␊
␉}␊
␉␊
␉// since only the first mode in table is patched, this is deprecated␊
␉*x = modeTiming[idx + 1].hActive;␊
␉*y = modeTiming[idx + 1].vActive;␊
␉␊
␉return TRUE;␊
}␊
␊
bool atiSetMode_2(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)␊
{␊
␉atomDtdFormat *modeTiming = (atomDtdFormat *) table->pointer;␊
␉␊
␉// patch only if mode differs␊
␉if ((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive)) {␊
␉␉␊
␉␉PRINT("Mode %dx%d -> ", modeTiming[idx].hActive, modeTiming[idx].vActive);␊
␉␉␊
␉␉modeTiming[idx].hActive = *x;␊
␉␉modeTiming[idx].vActive = *y;␊
␉␉␊
␉␉PRINT("%dx%d\n", modeTiming[idx].hActive, modeTiming[idx].vActive);␊
␉}␊
␉␊
␉// since only the first mode in table is patched, this is deprecated␊
␉*x = modeTiming[idx + 1].hActive;␊
␉*y = modeTiming[idx + 1].hActive;␊
␉␊
␉return TRUE;␊
}␊
branches/azimutz/Chazi/i386/libsaio/ati_resolution.h
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/*␊
* ati_resolution.h␊
* ␊
*␊
* Created by Le Bidou on 19/03/10.␊
* Copyright 2010 ---. All rights reserved.␊
*␊
*/␊
␊
#ifndef _ATI_RESOLUTION_H_␊
#define _ATI_RESOLUTION_H_␊
␊
#include "libsaio.h"␊
#include "autoresolution.h"␊
␊
#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"␊
#define ATI_SIGNATURE2 "ATI Technologies Inc"␊
␊
/****************************************************************************/␉␊
/*Shortatombios.h parts: */␊
/*Portion I: Definitions shared between VBIOS and Driver */␊
/****************************************************************************/␊
␊
␊
#define ATOM_VERSION_MAJOR 0x00020000␊
#define ATOM_VERSION_MINOR 0x00000002␊
␊
#define ATOM_HEADER_VERSION (ATOM_VERSION_MAJOR | ATOM_VERSION_MINOR)␊
␊
#pragma pack(1) /* BIOS data must use byte aligment */␊
␊
/* Define offset to location of ROM header. */␊
␊
#define OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER␉␉0x00000048L␊
#define OFFSET_TO_ATOM_ROM_IMAGE_SIZE␉␉␉␉ 0x00000002L␊
␊
typedef struct ␊
{␊
uint16_t structureSize;␊
uint8_t TableFormatRevision; /*Change it when the Parser is not backward compatible */␊
uint8_t TableContentRevision; /*Change it only when the table needs to change but the firmware */␊
/*Image can't be updated, while Driver needs to carry the new table! */␊
}atomCommonTableHeader;␊
␊
typedef struct␊
{␊
atomCommonTableHeader␉␉sHeader;␊
uint8_t␉ firmWareSignature[4]; /*Signature to distinguish between Atombios and non-atombios, ␊
atombios should init it as "ATOM", don't change the position */␊
uint16_t biosRuntimeSegmentAddress;␊
uint16_t protectedModeInfoOffset;␊
uint16_t configFilenameOffset;␊
uint16_t cRcBlockOffset;␊
uint16_t BiosBootupMessageOffset;␊
uint16_t int10Offset;␊
uint16_t pciBusDevInitCode;␊
uint16_t ioBaseAddress;␊
uint16_t subsystemVendorID;␊
uint16_t subsystemID;␊
uint16_t pciInfoOffset; ␊
uint16_t masterCommandTableOffset; /*Offset for SW to get all command table offsets, Don't change the position */␊
uint16_t masterDataTableOffset; /*Offset for SW to get all data table offsets, Don't change the position */␊
uint8_t extendedFunctionCode;␊
uint8_t reserved;␊
}atomRomHeader;␊
␊
/****************************************************************************/␉␊
// Structure used in Data.mtb␊
/****************************************************************************/␉␊
typedef struct␊
{␊
uint16_t UtilityPipeLine;␉ // Offest for the utility to get parser info,Don't change this position!␊
uint16_t MultimediaCapabilityInfo; // Only used by MM Lib,latest version 1.1, not configuable from Bios, need to include the table to build Bios ␊
uint16_t MultimediaConfigInfo; // Only used by MM Lib,latest version 2.1, not configuable from Bios, need to include the table to build Bios␊
uint16_t StandardVESA_Timing; // Only used by Bios␊
uint16_t FirmwareInfo; // Shared by various SW components,latest version 1.4␊
uint16_t DAC_Info; // Will be obsolete from R600␊
uint16_t LVDS_Info; // Shared by various SW components,latest version 1.1 ␊
uint16_t TMDS_Info; // Will be obsolete from R600␊
uint16_t AnalogTV_Info; // Shared by various SW components,latest version 1.1 ␊
uint16_t SupportedDevicesInfo; // Will be obsolete from R600␊
uint16_t GPIO_I2C_Info; // Shared by various SW components,latest version 1.2 will be used from R600 ␊
uint16_t VRAM_UsageByFirmware; // Shared by various SW components,latest version 1.3 will be used from R600␊
uint16_t GPIO_Pin_LUT; // Shared by various SW components,latest version 1.1␊
uint16_t VESA_ToInternalModeLUT; // Only used by Bios␊
uint16_t ComponentVideoInfo; // Shared by various SW components,latest version 2.1 will be used from R600␊
uint16_t PowerPlayInfo; // Shared by various SW components,latest version 2.1,new design from R600␊
uint16_t CompassionateData; // Will be obsolete from R600␊
uint16_t SaveRestoreInfo; // Only used by Bios␊
uint16_t PPLL_SS_Info; // Shared by various SW components,latest version 1.2, used to call SS_Info, change to new name because of int ASIC SS info␊
uint16_t OemInfo; // Defined and used by external SW, should be obsolete soon␊
uint16_t XTMDS_Info; // Will be obsolete from R600␊
uint16_t MclkSS_Info; // Shared by various SW components,latest version 1.1, only enabled when ext SS chip is used␊
uint16_t Object_Header; // Shared by various SW components,latest version 1.1␊
uint16_t IndirectIOAccess; // Only used by Bios,this table position can't change at all!!␊
uint16_t MC_InitParameter; // Only used by command table␊
uint16_t ASIC_VDDC_Info;␉␉␉␉␉␉// Will be obsolete from R600␊
uint16_t ASIC_InternalSS_Info;␉␉␉// New tabel name from R600, used to be called "ASIC_MVDDC_Info"␊
uint16_t TV_VideoMode;␉␉␉␉␉␉␉// Only used by command table␊
uint16_t VRAM_Info;␉␉␉␉␉␉␉␉// Only used by command table, latest version 1.3␊
uint16_t MemoryTrainingInfo;␉␉␉␉// Used for VBIOS and Diag utility for memory training purpose since R600. the new table rev start from 2.1␊
uint16_t IntegratedSystemInfo;␉␉␉// Shared by various SW components␊
uint16_t ASIC_ProfilingInfo;␉␉␉␉// New table name from R600, used to be called "ASIC_VDDCI_Info" for pre-R600␊
uint16_t VoltageObjectInfo;␉␉␉␉// Shared by various SW components, latest version 1.1␊
uint16_t␉␉␉␉PowerSourceInfo;␉␉␉␉␉// Shared by various SW components, latest versoin 1.1␊
}atomMasterListOfDataTables;␊
␊
typedef struct ␊
{ ␊
atomCommonTableHeader␉␉␉header; ␊
atomMasterListOfDataTables␉listOfDataTables;␊
}atomMasterDataTable;␊
␊
typedef union␊
{ ␊
␉uint16_t usAccess;␊
}atomModeMiscInfoAccess;␊
␊
/****************************************************************************/␉␊
// Structure used in StandardVESA_TimingTable␊
// AnalogTV_InfoTable ␊
// ComponentVideoInfoTable␊
/****************************************************************************/␉␊
typedef struct␊
{␊
uint16_t hTotal;␊
uint16_t hActive;␊
uint16_t hSyncStart;␊
uint16_t hSyncWidth;␊
uint16_t vTotal;␊
uint16_t vActive;␊
uint16_t vSyncStart;␊
uint16_t vSyncWidth;␊
uint16_t pixelClock;␉␉␉␉␉ //in 10Khz unit␊
atomModeMiscInfoAccess modeMiscInfo;␊
uint16_t overscanRight;␊
uint16_t overscanLeft;␊
uint16_t overscanBottom;␊
uint16_t overscanTop;␊
uint16_t teserve;␊
uint8_t internalModeNumber;␊
uint8_t refreshRate;␊
}atomModeTiming;␊
␊
typedef struct␊
{␊
uint16_t pixelClock;␊
uint16_t hActive;␊
uint16_t hBlank;␊
uint16_t vActive;␊
uint16_t vBlank;␉␉␉␊
uint16_t hSyncOffset;␊
uint16_t hSyncWidth;␊
uint16_t vSyncOffset;␊
uint16_t vSyncWidth;␊
uint16_t imageHSize;␊
uint16_t imageVSize;␊
uint8_t hBorder;␊
uint8_t vBorder;␊
atomModeMiscInfoAccess modeMiscInfo;␊
uint8_t internalModeNumber;␊
uint8_t refreshRate;␊
}atomDtdFormat;␊
␊
␊
/****************************************************************************/␉␊
/*Original ati_resolution.h parts: */␊
/****************************************************************************/␊
␊
␊
typedef struct␊
{␊
atomCommonTableHeader header; ␊
uint8_t * ␉␉␉␉ modeTimings;␊
}atomStandardVesaTiming;␊
␊
␊
␊
␊
typedef struct␊
{␊
uint8_t *base;␊
atomRomHeader *atomRomHeader;␊
uint16_t *masterCommandTables;␊
uint16_t *masterDataTables;␊
} atiBiosTables;␊
␊
char detectAtiBiosType(sModeTable * table);␊
␊
vBiosMap * openAtiVbios(vBiosMap * map, atiBiosTables atiTables);␊
␊
bool atiSetMode_1(sModeTable* map, uint8_t idx, uint32_t* x, uint32_t* y);␊
bool atiSetMode_2(sModeTable* map, uint8_t idx, uint32_t* x, uint32_t* y);␊
␊
␊
␊
#endif
branches/azimutz/Chazi/i386/libsaio/Makefile
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␉cpu.o platform.o acpi_patcher.o \␊
␉smbios_patcher.o fake_efi.o ext2fs.o \␊
␉hpet.o dram_controllers.o spd.o usb.o pci_setup.o \␊
␉device_inject.o nvidia.o ati.o pci_root.o \␊
␉convert.o mem.o aml_generator.o␊
␉device_inject.o nvidia.o ati.o gma.o \␊
␉gma_resolution.o ati_resolution.o nvidia_resolution.o \␊
␉pci_root.o convert.o mem.o aml_generator.o \␊
␉autoresolution.o edid.o␊
␊
␊
SAIO_EXTERN_OBJS = console.o␊
branches/azimutz/Chazi/i386/libsaio/gma.c
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/*␊
Original patch by nawcom -> http://forum.voodooprojects.org/index.php/topic,1029.msg4427.html#msg4427␊
*/␊
#include "libsaio.h"␊
#include "bootstruct.h"␊
#include "pci.h"␊
#include "platform.h"␊
#include "device_inject.h"␊
#include "gma.h"␊
␊
#ifndef DEBUG_GMA␊
#define DEBUG_GMA 0␊
#endif␊
␊
#if DEBUG_GMA␊
#define DBG(x...)␉printf(x)␊
#else␊
#define DBG(x...)␊
#endif␊
␊
uint8_t GMAX3100_vals[22][4] = {␊
␉{ 0x01,0x00,0x00,0x00 },␊
␉{ 0x01,0x00,0x00,0x00 }, ␊
␉{ 0x01,0x00,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x08 },␉␊
␉{ 0x64,0x00,0x00,0x00 },␊
␉{ 0x00,0x00,0x00,0x08 },␊
␉{ 0x01,0x00,0x00,0x00 },␊
␉{ 0x20,0x00,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x00 }, ␊
␉{ 0x01,0x00,0x00,0x00 }, ␊
␉{ 0x20,0x03,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x00 }, ␊
␉{ 0x08,0x52,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x00 }, ␊
␉{ 0x00,0x00,0x00,0x00 }, ␊
␉{ 0x01,0x00,0x00,0x00 }, ␊
␉{ 0x01,0x00,0x00,0x00 }, ␊
␉{ 0x3B,0x00,0x00,0x00 },␊
␉{ 0x00,0x00,0x00,0x00 }␊
};␊
uint8_t reg_TRUE[] = { 0x01 ,0x00 ,0x00 ,0x00 };␊
uint8_t reg_FALSE[] = { 0x00,0x00,0x00,0x00 };␊
␊
static struct gma_gpu_t KnownGPUS[] = {␊
␉{ 0x00000000, "Unknown" },␊
␉{ 0x808627A2, "Mobile GMA950" },␊
␉{ 0x808627AE, "Mobile GMA950" },␊
␉{ 0x808627A6, "Mobile GMA950" },␊
␉{ 0x80862772, "Desktop GMA950" },␊
␉{ 0x80862776, "Desktop GMA950" },␊
␉{ 0x80862A02, "GMAX3100" },␊
␉{ 0x80862A03, "GMAX3100" },␊
␉{ 0x80862A12, "GMAX3100" },␊
␉{ 0x80862A13, "GMAX3100" },␊
};␊
␊
char *get_gma_model(uint32_t id) {␊
␉int i=0;␊
␉for(i = 0; i < (sizeof(KnownGPUS) / sizeof(KnownGPUS[0])); i++) {␊
␉␉if(KnownGPUS[i].device == id)␊
␉␉␉return KnownGPUS[i].name;␊
␉}␊
␉return KnownGPUS[0].name;␊
}␊
␊
bool setup_gma_devprop(pci_dt_t *gma_dev)␊
{␊
␉//int␉len;␊
␉char *devicepath;␊
␉volatile uint8_t *regs;␊
␉uint32_t bar[7];␊
␉char *model;␊
␉uint8_t BuiltIn = 0x00;␊
␉uint8_t ClassFix[4] = { 0x00, 0x00, 0x03, 0x00 };␊
␊
␉devicepath = get_pci_dev_path(gma_dev);␊
␊
␉bar[0] = pci_config_read32(gma_dev->dev.addr, 0x10);␊
␉regs = (uint8_t *) (bar[0] & ~0x0f);␊
␊
␉model = get_gma_model((gma_dev->vendor_id << 16) | gma_dev->device_id);␊
␊
␉verbose("Intel %s [%04x:%04x] :: %s\n",␊
␉␉␉model, gma_dev->vendor_id, gma_dev->device_id, devicepath);␊
␉␊
␉if (!string)␊
␉␉string = devprop_create_string();␊
␉struct DevPropDevice *device = malloc(sizeof(struct DevPropDevice));␊
␉device = devprop_add_device(string, devicepath);␊
␉␊
␉if(!device)␊
␉{␊
␉␉printf("Failed initializing dev-prop string dev-entry, press any key...\n");␊
␉␉␊
␉␉getc();␊
␉␉return false;␊
␉}␊
␉␊
␉devprop_add_value(device, "model", (uint8_t*)model, (strlen(model) + 1));␊
␉devprop_add_value(device, "device_type", (uint8_t*)"display", 8);␉␊
␊
␉if (model == (char *)"Mobile GMA950") {␊
␉␉devprop_add_value(device, "AAPL,HasPanel", reg_TRUE, 4);␊
␉␉devprop_add_value(device, "built-in", &BuiltIn, 1);␊
␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
␉} else if (model == (char *)"Desktop GMA950") {␊
␉␉BuiltIn = 0x01;␊
␉␉devprop_add_value(device, "built-in", &BuiltIn, 1);␊
␉} else if (model == (char *)"GMAX3100") {␊
␉␉devprop_add_value(device, "AAPL,HasPanel",GMAX3100_vals[0], 4);␊
␉␉devprop_add_value(device, "AAPL,SelfRefreshSupported",GMAX3100_vals[1], 4);␊
␉␉devprop_add_value(device, "AAPL,aux-power-connected",GMAX3100_vals[2], 4);␊
␉␉devprop_add_value(device, "AAPL,backlight-control",GMAX3100_vals[3], 4);␊
␉␉devprop_add_value(device, "AAPL00,blackscreen-preferences",GMAX3100_vals[4], 4);␊
␉␉devprop_add_value(device, "AAPL01,BacklightIntensity",GMAX3100_vals[5], 4);␊
␉␉devprop_add_value(device, "AAPL01,blackscreen-preferences",GMAX3100_vals[6], 4);␊
␉␉devprop_add_value(device, "AAPL01,DataJustify",GMAX3100_vals[7], 4);␊
␉␉devprop_add_value(device, "AAPL01,Depth",GMAX3100_vals[8], 4);␊
␉␉devprop_add_value(device, "AAPL01,Dither",GMAX3100_vals[9], 4);␊
␉␉devprop_add_value(device, "AAPL01,DualLink",GMAX3100_vals[10], 4);␊
␉␉devprop_add_value(device, "AAPL01,Height",GMAX3100_vals[11], 4);␊
␉␉devprop_add_value(device, "AAPL01,Interlace",GMAX3100_vals[12], 4);␊
␉␉devprop_add_value(device, "AAPL01,Inverter",GMAX3100_vals[13], 4);␊
␉␉devprop_add_value(device, "AAPL01,InverterCurrent",GMAX3100_vals[14], 4);␊
␉␉devprop_add_value(device, "AAPL01,InverterCurrency",GMAX3100_vals[15], 4);␊
␉␉devprop_add_value(device, "AAPL01,LinkFormat",GMAX3100_vals[16], 4);␊
␉␉devprop_add_value(device, "AAPL01,LinkType",GMAX3100_vals[17], 4);␊
␉␉devprop_add_value(device, "AAPL01,Pipe",GMAX3100_vals[18], 4);␊
␉␉devprop_add_value(device, "AAPL01,PixelFormat",GMAX3100_vals[19], 4);␊
␉␉devprop_add_value(device, "AAPL01,Refresh",GMAX3100_vals[20], 4);␊
␉␉devprop_add_value(device, "AAPL01,Stretch",GMAX3100_vals[21], 4);␊
␉}␊
␉␉␊
␉stringdata = malloc(sizeof(uint8_t) * string->length);␊
␉if(!stringdata)␊
␉{␊
␉␉printf("no stringdata press a key...\n");␊
␉␉getc();␊
␉␉return false;␊
␉}␊
␉␊
␉memcpy(stringdata, (uint8_t*)devprop_generate_string(string), string->length);␊
␉stringlength = string->length;␊
␉␊
␉return true;␊
}␊
branches/azimutz/Chazi/i386/libsaio/gma.h
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#ifndef __LIBSAIO_GMA_H␊
#define __LIBSAIO_GMA_H␊
␊
bool setup_gma_devprop(pci_dt_t *gma_dev);␊
␊
struct gma_gpu_t {␊
␉unsigned device;␊
␉char *name;␊
};␊
␊
#define REG8(reg) ((volatile uint8_t *)regs)[(reg)]␊
#define REG16(reg) ((volatile uint16_t *)regs)[(reg) >> 1]␊
#define REG32(reg) ((volatile uint32_t *)regs)[(reg) >> 2]␊
␊
␊
#endif /* !__LIBSAIO_GMA_H */␊
branches/azimutz/Chazi/i386/libsaio/autoresolution.c
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␊
/* Copied from 915 resolution created by steve tomljenovic␊
*␊
* This code is based on the techniques used in :␊
*␊
* - 855patch. Many thanks to Christian Zietz (czietz gmx net)␊
* for demonstrating how to shadow the VBIOS into system RAM␊
* and then modify it.␊
*␊
* - 1280patch by Andrew Tipton (andrewtipton null li).␊
*␊
* - 855resolution by Alain Poirier␊
*␊
* This source code is into the public domain.␊
*/␊
␊
#include "libsaio.h"␊
#include "autoresolution.h"␊
#include "nvidia_resolution.h"␊
#include "ati_resolution.h"␊
#include "gma_resolution.h"␊
#include "../boot2/graphics.h"␊
␊
char * chipsetTypeNames[] = {␊
␉"UNKNOWN", "830", "845G", "855GM", "865G", "915G", "915GM", "945G", "945GM", "945GME",␊
␉"946GZ", "955X", "G965", "Q965", "965GM", "975X",␊
␉"P35", "X48", "B43", "Q45", "P45", "GM45", "G41", "G31", "G45", "500"␊
};␊
␊
uint32_t getChipsetId(void)␊
{␊
␉outl(0xcf8, 0x80000000);␊
␉return inl(0xcfc);␊
}␊
␊
chipsetType getChipset(uint32_t id)␊
{␊
␉chipsetType type;␊
␉␊
␉switch (id)␊
␉{␊
␉␉case 0x35758086:␊
␉␉␉type = CT_830;␊
␉␉␉break;␊
␉␉␊
␉␉case 0x25608086:␊
␉␉␉type = CT_845G;␊
␉␉␉break;␊
␉␉␉␉␊
␉␉case 0x35808086:␊
␉␉␉type = CT_855GM;␊
␉␉␉break;␊
␉␉␉␉␊
␉␉case 0x25708086:␊
␉␉␉type = CT_865G;␊
␉␉␉break;␊
␉␉␊
␉␉case 0x25808086:␊
␉␉␉type = CT_915G;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x25908086:␊
␉␉␉type = CT_915GM;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x27708086:␊
␉␉␉type = CT_945G;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x27748086:␊
␉␉␉type = CT_955X;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x277c8086:␊
␉␉␉type = CT_975X;␊
␉␉␉break;␊
␉␉␊
␉␉case 0x27a08086:␊
␉␉␉type = CT_945GM;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x27ac8086:␊
␉␉␉type = CT_945GME;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29708086:␊
␉␉␉type = CT_946GZ;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29a08086:␊
␉␉␉type = CT_G965;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29908086:␊
␉␉␉type = CT_Q965;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2a008086:␊
␉␉␉type = CT_965GM;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29e08086:␊
␉␉␉type = CT_X48;␊
␉␉␉break;␉␉␉␊
␉␉␉␊
␉␉case 0x2a408086:␊
␉␉␉type = CT_GM45;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2e108086:␊
␉␉case 0X2e908086:␊
␉␉␉type = CT_B43;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2e208086:␊
␉␉␉type = CT_P45;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2e308086:␊
␉␉␉type = CT_G41;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29c08086:␊
␉␉␉type = CT_G31;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29208086:␊
␉␉␉type = CT_G45;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x81008086:␊
␉␉␉type = CT_500;␊
␉␉␉break;␊
␉␉␉␊
␉␉default:␊
␉␉␉type = CT_UNKWN;␊
␉␉␉break;␊
␉}␊
␉return type;␊
}␊
␊
␊
void gtfTimings(uint32_t x, uint32_t y, uint32_t freq,␊
␉␉␉␉ uint32_t *clock,␊
␉␉␉␉ uint16_t *hSyncStart, uint16_t *hSyncEnd, uint16_t *hBlank,␊
␉␉␉␉ uint16_t *vSyncStart, uint16_t *vSyncEnd, uint16_t *vBlank)␊
{␊
␉uint32_t hbl, vbl, vfreq;␊
␉␊
␉vbl = y + (y+1)/(20000/(11*freq) - 1) + 1;␊
␉␊
␉vfreq = vbl * freq;␊
␉hbl = 16 * (int)(x * (30 - 300000 / vfreq) /␊
␉␉␉␉␉ + (70 + 300000 / vfreq) / 16 + 0);␊
␉␊
␉*vSyncStart = y;␊
␉*vSyncEnd = y + 3;␊
␉*vBlank = vbl;␉␊
␉*hSyncStart = x + hbl / 2 - (x + hbl + 50) / 100 * 8 ;␉␊
␉*hSyncEnd = x + hbl / 2;␉␊
␉*hBlank = x + hbl;␉␊
␉*clock = (x + hbl) * vfreq / 1000;␊
}␊
␊
␊
void getAspectRatio(sAspect* aspect, uint32_t x, uint32_t y)␊
{␊
␉if ((y * 16 / 9) == x)␊
␉{␊
␉␉aspect->width = 16;␊
␉␉aspect->height = 9;␊
␉}␊
␉else if ((y * 16 / 10) == x)␊
␉{␊
␉␉aspect->width = 16;␊
␉␉aspect->height = 10;␊
␉}␊
␉else if ((y * 5 / 4) == x)␊
␉{␊
␉␉aspect->width = 5;␊
␉␉aspect->height = 4;␊
␉}␊
␉else if ((y * 15 / 9) == x)␊
␉{␊
␉␉aspect->width = 15;␊
␉␉aspect->height = 9;␊
␉}␊
␉else␊
␉{␊
␉␉aspect->width = 4;␊
␉␉aspect->height = 3;␊
␉}␊
␉PRINT("Aspect Ratio is %d/%d\n", aspect->width, aspect->height);␊
}␊
␊
␊
/*␊
* initialize the mode tables chain␊
* tablesCount represents the number of VESA tables in the vBios␊
* return value is a pointer to the first table␊
*/␊
sModeTable * intializeTables(vBiosMap * map, int tablesCount) {␊
␉map->modeTables = (sModeTable *)malloc(sizeof(sModeTable));␊
␉sModeTable * table = map->modeTables;␊
␉␊
␉PRINT("Creating %d Mode Tables\n", tablesCount);␊
␉␊
␉int i = tablesCount;␊
␉while ( i != 0 )␊
␉{␉␉␊
␉␉table->id = tablesCount - i;␊
␉␉PRINT("New table with id : %d\n", table->id);␊
␉␉␊
␉␉// opening the chain if it's the first table␊
␉␉if (i == tablesCount)␊
␉␉␉table->prev = NULL;␊
␉␉else // attache the table to the chain␊
␉␉␉table->prev = table; ␊
␉␉␊
␉␉//if there is more than one table, alloc the next one␊
␉␉if (i > 1)␊
␉␉{␊
␉␉␉table->next = (sModeTable *)malloc(sizeof(sModeTable));␊
␉␉␉table = table->next;␊
␉␉}␊
␉␉else // no more table, close the chain␊
␉␉␉table->next = NULL;␊
␉␉␊
␉␉i--;␊
␉}␊
␉␊
␉return map->modeTables;␊
}␊
␊
␊
void closeVbios(vBiosMap * map);␊
␊
vBiosMap * openVbios(chipsetType forcedChipset)␊
{␊
␉uint32_t z;␊
␉vBiosMap * map = NEW(vBiosMap);␊
␉␊
␉for(z = 0; z < sizeof(vBiosMap); z++)␊
␉␉((char*)map)[z] = 0;␊
␉␊
␉/*␊
␉ * Determine chipset␊
␉ */␊
␉␊
␉if (forcedChipset == CT_UNKWN)␊
␉{␊
␉␉map->chipsetId = getChipsetId();␊
␉␉map->chipset = getChipset(map->chipsetId);␊
␉␉PRINT("Chipset is %s (pci id 0x%x)\n",chipsetTypeNames[map->chipset], map->chipsetId);␊
␉}␊
␉else if (forcedChipset != CT_UNKWN)␊
␉{␊
␉␉map->chipset = forcedChipset;␊
␉}␊
␉else␊
␉{␊
␉␉map->chipset = CT_915GM;␊
␉}␊
␉ ␊
␉/*␊
␉ * Map the video bios to memory␊
␉ */␊
␉␊
␉map->biosPtr=(uint8_t*)VBIOS_START;␊
␉␊
␉/*␊
␉ * Common initialisation␊
␉ */␊
␉␊
␉map->hasSwitched = false;␊
␉␊
␉/*␊
␉ * check if we have ATI Radeon and open atombios␊
␉ */␊
␉atiBiosTables atiTables;␊
␉␊
␉atiTables.base = map->biosPtr;␊
␉atiTables.atomRomHeader = (atomRomHeader *) (map->biosPtr + *(uint16_t *) (map->biosPtr + OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER)); ␊
␉␊
␉if (strcmp ((char *) atiTables.atomRomHeader->firmWareSignature, "ATOM") == 0)␊
␉{␊
␉␉map->bios = BT_ATI_1;␊
␉␉PRINT("We have an AtomBios Card\n");␊
␉␉return openAtiVbios(map, atiTables);␊
␉}␊
␊
␊
␉/*␊
␉ * check if we have NVidia␊
␉ */␊
␉if (map->bios != BT_ATI_1)␊
␉{␊
␉␉int i = 0;␊
␉␉while (i < 512) // we don't need to look through the whole bios, just the first 512 bytes␊
␉␉{␊
␉␉␉if ((map->biosPtr[i] == 'N') ␊
␉␉␉␉&& (map->biosPtr[i+1] == 'V') ␊
␉␉␉␉&& (map->biosPtr[i+2] == 'I') ␊
␉␉␉␉&& (map->biosPtr[i+3] == 'D')) ␊
␉␉␉{␊
␉␉␉␉map->bios = BT_NVDA;␊
␉␉␉␉PRINT("We have an NVIDIA Card\n");␊
␉␉␉␉return openNvidiaVbios(map);␊
␉␉␉␉break;␊
␉␉␉}␊
␉␉␉i++;␊
␉␉}␊
␉}␊
␉␊
␉/*␊
␉ * check if we have Intel␊
␉ */␊
␉ ␊
␉if ((map->bios != BT_ATI_1) && (map->bios != BT_NVDA))␊
␉{␊
␉␉int i = 0;␊
␉␉while (i < VBIOS_SIZE)␊
␉␉{␊
␉␉␉if ((map->biosPtr[i] == 'I') ␊
␉␉␉␉&& (map->biosPtr[i+1] == 'n') ␊
␉␉␉␉&& (map->biosPtr[i+2] == 't') ␊
␉␉␉␉&& (map->biosPtr[i+3] == 'e') ␊
␉␉␉␉&& (map->biosPtr[i+4] == 'l')) ␊
␉␉␉{␊
␉␉␉␉map->bios = BT_1;␊
␉␉␉␉PRINT("We have an Intel Card\n");␊
␉␉␉␉saveVbios(map);␊
␉␉␉␉return openIntelVbios(map);␊
␉␉␉␉break;␊
␉␉␉}␊
␉␉␉i++;␊
␉␉}␊
␉}␊
␉␊
␉/*␊
␉ * Unidentified Chipset␊
␉ */␊
␉␊
␉if ( (map->chipset == CT_UNKWN) || ((map->bios != BT_ATI_1) && (map->bios != BT_NVDA) && (map->bios != BT_1)) )␊
␉{␊
␉␉PRINT("Unknown chipset type and unrecognized bios.\n");␊
␉␉␊
␉␉PRINT("autoresolution only works with Intel 800/900 series graphic chipsets.\n");␊
␉␉␊
␉␉PRINT("Chipset Id: %x\n", map->chipsetId);␊
␉␉closeVbios(map);␊
␉␉return 0;␊
␉}␊
␊
␉/*␊
␉ * Should never get there ␊
␉ */␊
␉return 0;␊
}␊
␊
void closeVbios(vBiosMap * map)␊
{␊
␉PRINT("Closing VBios\n");␊
␉//make sure to turn autoResolution off␊
␉if (gAutoResolution == TRUE)␊
␉␉gAutoResolution = FALSE;␊
␉␊
␉// if we saved the vBios, free the copy␊
␉if (map->biosBackupPtr != NULL)␊
␉{␊
␉␉PRINT("Freeing biosBackupPtr\t");␊
␉␉FREE(map->biosBackupPtr);␊
␉␉PRINT("[OK]\n");␊
␉}␊
␉␊
␉// free table backups if any␊
␉sModeTable * table = map->modeTables;␊
␉while (table != NULL)␊
␉{␉␉␊
␉␉if (table->backup != NULL)␊
␉␉{␊
␉␉␉PRINT("Table #%d : Freeing backup\t", table->id);␊
␉␉␉FREE(table->backup);␊
␉␉␉PRINT("[OK]\n");␊
␉␉}␊
␉␉␊
␉␉if (table != NULL)␊
␉␉{ ␊
␉␉␉PRINT("Table #%d : Freeing\t\t", table->id);␊
␉␉␉FREE(table);␊
␉␉␉PRINT("[OK]\n");␊
␉␉}␊
␉␉␊
␉␉if (table->next == NULL)␊
␉␉␉break;␊
␉␉␊
␉␉table = table->next;␊
␉}␊
␉␊
␉PRINT("Freeing map\t\t\t");␊
␉FREE(map);␊
␉PRINT("[OK]\n");␊
}␊
␊
void unlockVbios(vBiosMap * map)␊
{␊
␊
␉map->unlocked = TRUE;␊
␉ ␊
␉switch (map->chipset)␊
␉{␊
␉␉case CT_UNKWN:␊
␉␉␉break;␊
␉␉case CT_830:␊
␉␉case CT_855GM:␊
␉␉␉outl(0xcf8, 0x8000005a);␊
␉␉␉map->b1 = inb(0xcfe);␊
␉␉␉␉␊
␉␉␉outl(0xcf8, 0x8000005a);␊
␉␉␉outb(0xcfe, 0x33);␊
␉␉␉break;␊
␉␉case CT_845G:␊
␉␉case CT_865G:␊
␉␉case CT_915G:␊
␉␉case CT_915GM:␊
␉␉case CT_945G:␊
␉␉case CT_945GM:␊
␉␉case CT_945GME:␊
␉␉case CT_946GZ:␊
␉␉case CT_955X:␊
␉␉case CT_G965:␊
␉␉case CT_Q965:␊
␉␉case CT_965GM:␊
␉␉case CT_975X:␊
␉␉case CT_P35:␊
␉␉case CT_X48:␊
␉␉case CT_B43:␊
␉␉case CT_Q45:␊
␉␉case CT_P45:␊
␉␉case CT_GM45:␊
␉␉case CT_G41:␊
␉␉case CT_G31:␊
␉␉case CT_G45:␊
␉␉case CT_500:␊
␊
␉␉␉outl(0xcf8, 0x80000090);␊
␉␉␉map->b1 = inb(0xcfd);␊
␉␉␉map->b2 = inb(0xcfe);␊
␉␉␉outl(0xcf8, 0x80000090);␊
␉␉␉outb(0xcfd, 0x33);␊
␉␉␉outb(0xcfe, 0x33);␊
␉␉break;␊
␉}␊
␉␊
␉#if DEBUG␊
␉{␊
␉␉uint32_t t = inl(0xcfc);␊
␉␉PRINT("unlock PAM: (0x%08x)\n", t);␊
␉}␊
#endif␊
}␊
␊
void relockVbios(vBiosMap * map)␊
{␊
␊
␉map->unlocked = FALSE;␊
␉␊
␉switch (map->chipset)␊
␉{␊
␉␉case CT_UNKWN:␊
␉␉␉break;␊
␉␉case CT_830:␊
␉␉case CT_855GM:␊
␉␉␉outl(0xcf8, 0x8000005a);␊
␉␉␉outb(0xcfe, map->b1);␊
␉␉␉break;␊
␉␉case CT_845G:␊
␉␉case CT_865G:␊
␉␉case CT_915G:␊
␉␉case CT_915GM:␊
␉␉case CT_945G:␊
␉␉case CT_945GM:␊
␉␉case CT_945GME:␊
␉␉case CT_946GZ:␊
␉␉case CT_955X:␊
␉␉case CT_G965:␊
␉␉case CT_Q965:␊
␉␉case CT_965GM:␊
␉␉case CT_975X:␊
␉␉case CT_P35:␊
␉␉case CT_X48:␊
␉␉case CT_B43:␊
␉␉case CT_Q45:␊
␉␉case CT_P45:␊
␉␉case CT_GM45:␊
␉␉case CT_G41:␊
␉␉case CT_G31:␊
␉␉case CT_G45:␊
␉␉case CT_500:␊
␉␉␉␊
␉␉␉outl(0xcf8, 0x80000090);␊
␉␉␉outb(0xcfd, map->b1);␊
␉␉␉outb(0xcfe, map->b2);␊
␉␉␉break;␊
␉}␊
␉␊
␉#if DEBUG␊
␉{␊
uint32_t t = inl(0xcfc);␊
␉␉PRINT("relock PAM: (0x%08x)\n", t);␊
␉}␊
␉#endif␊
}␊
␊
/*␊
* saveVbios - save the entire vBios in case the patch has to be removed␊
*/␊
void saveVbios(vBiosMap * map)␊
{␊
␉map->biosBackupPtr = malloc(VBIOS_SIZE);␊
␉bcopy((const uint8_t *)0xC0000, map->biosBackupPtr, VBIOS_SIZE);␊
}␊
␊
/*␊
* restoreVbios - restore the vBios backup or table backups if any␊
*/␊
void restoreVbios(vBiosMap * map)␊
{␊
␉if ((map->bios == BT_ATI_1) || (map->bios == BT_ATI_2) || (map->bios == BT_NVDA))␊
␉{␊
␉␉restoreTables(map, map->modeTables);␊
␉}␊
␉else␊
␉{␊
␉␉unlockVbios(map);␊
␉␉bcopy(map->biosBackupPtr,(uint8_t *)0xC0000, VBIOS_SIZE);␊
␉␉relockVbios(map);␊
␉}␊
}␊
␊
/*␊
* saveTables - save the tables in case the patch has to be removed␊
*/␊
void saveTables(sModeTable * table)␊
{␊
␉while (table != NULL)␊
␉{␊
␉␉table->backup = (uint8_t *)malloc(table->size);␊
␉␉bcopy((const uint8_t *)table->pointer, table->backup, table->size);␊
␉␉table = table->next;␊
␉}␊
}␊
␊
/*␊
* restoreTables - restore tables backup ␊
*/␊
void restoreTables(vBiosMap * map, sModeTable * table)␊
{␊
␉unlockVbios(map);␊
␉while (table != NULL)␊
␉{␊
␉␉bcopy(table->backup, (uint8_t *)table->pointer, table->size);␊
␉␉table = table->next;␊
␉}␊
␉relockVbios(map);␊
}␊
␊
/*␊
* patchVbios - call the vendor specific function to patch the VESA tables␊
* x & y are horizontal and vertical dimensions respectively, in pixels␊
* for GMA and ATI, only first mode in Table is patched␊
*␊
* each vendor specific function have the same form :␊
* bool vendorSetMode_type(sModeTable * table, uint8_t index, uint32_t * x, uint32_t * y);␊
* where 'table' is the VESA table to patch, 'index' is the index of the mode in table,␊
* 'x' & 'y' are pointer to the target resolution and return the next resolution in table.␊
*/␊
void patchVbios(vBiosMap * map, uint32_t x, uint32_t y, uint32_t bp, uint32_t hTotal, uint32_t vTotal)␊
{␊
␉uint32_t i = 0;␊
␉␊
␉sModeTable * table = map->modeTables;␊
␉␊
␉// save the target resolution for future use␊
␉map->currentX = x;␊
␉map->currentY = y;␊
␉␊
␉unlockVbios(map);␊
␉␊
␉// Get the aspect ratio for the requested mode␊
␉getAspectRatio(&map->aspectRatio, x, y);␊
␉␊
␉i = 0;␊
␉␊
␉// Call the vendor specific function for each available VESA Table␊
␉table = map->modeTables;␊
␉while (table != NULL)␊
␉{␊
␉␉//reset resolution value before treating a new table␊
␉␉x = map->currentX;␊
␉␉y = map->currentY;␊
␉␉␊
␉␉PRINT("Patching Table #%d : \n", table->id);␊
␉␉␊
␉␉map->setMode(table, i, &x, &y);␊
#ifdef AUTORES_DEBUG␊
␉␉getc();␊
#endif␊
␊
␉␉table = table->next;␊
␉}␊
␉␊
␉relockVbios(map);␊
␉return;␊
}
branches/azimutz/Chazi/i386/libsaio/autoresolution.h
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␊
/* Copied from 915 resolution created by steve tomljenovic␊
*␊
* This code is based on the techniques used in :␊
*␊
* - 855patch. Many thanks to Christian Zietz (czietz gmx net)␊
* for demonstrating how to shadow the VBIOS into system RAM␊
* and then modify it.␊
*␊
* - 1280patch by Andrew Tipton (andrewtipton null li).␊
*␊
* - 855resolution by Alain Poirier␊
*␊
* This source code is into the public domain.␊
*/␊
#ifndef __915_RESOLUTION_H␊
#define __915_RESOLUTION_H␊
␊
#include "edid.h"␊
␊
#if DEBUG␊
#ifndef AUTORES_DEBUG␊
#define AUTORES_DEBUG␊
#endif␊
#endif␊
␊
#ifdef AUTORES_DEBUG␊
#define PRINT(a, b...) printf(a, ##b);␊
#else ␊
#define PRINT(a, b...) verbose(a, ##b);␊
#endif␊
␊
#define __packed __attribute__((packed))␊
␊
#define NEW(a) ((a *)(malloc(sizeof(a))))␊
#define FREE(a) (free(a))␊
␊
#define VBIOS_START 0xc0000␊
#define VBIOS_SIZE 0x10000␊
␊
#define FALSE 0␊
#define TRUE 1␊
␊
␊
bool gAutoResolution;␊
␊
␊
typedef struct␊
{␊
␉uint8_t width;␊
␉uint8_t height;␊
} sAspect;␊
␊
␊
typedef enum␊
{␊
␉CT_UNKWN, CT_830, CT_845G, CT_855GM, CT_865G, ␊
␉CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ, ␊
␉CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X, ␊
␉CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,␊
␉CT_GM45, CT_G41, CT_G31, CT_G45, CT_500␊
} chipsetType;␊
␊
␊
typedef enum␊
{␊
␉BT_UNKWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA␊
} biosType;␊
␊
typedef struct␊
{␊
␉uint32_t␉clock;␊
␉uint16_t␉x;␊
␉uint16_t␉hSyncStart;␊
␉uint16_t␉hSyncEnd;␊
␉uint16_t␉hTotal;␊
␉uint16_t␉y;␊
␉uint16_t␉vSyncStart;␊
␉uint16_t␉vSyncEnd;␊
␉uint16_t␉vTotal;␊
} generic_modeline;␊
␊
typedef struct sModeTable_␊
{␊
␉uint8_t␉*␉pointer;␊
␉␊
␉uint8_t␉␉id;␊
␉uint32_t␉size;␊
␉uint32_t␉modeCount;␊
␉␊
␉uint8_t *␉backup;␊
␉␊
␉struct sModeTable_ *prev;␊
␉struct sModeTable_ *next;␊
} sModeTable;␊
␉␊
␊
␊
typedef struct␊
{␊
␉uint32_t chipsetId;␊
␉chipsetType chipset;␊
␉biosType bios;␊
␉␊
␉uint8_t* biosBackupPtr;␊
␉uint8_t* biosPtr;␊
␉␊
␉sModeTable *modeTables;␊
␉␊
␉uint32_t currentX, currentY;␊
␉uint8_t b1, b2;␊
␉␊
␉bool hasSwitched;␊
␉␊
␉bool (*setMode)(sModeTable *,uint8_t,uint32_t*,uint32_t*);␊
␉␊
␉sAspect aspectRatio;␊
␉␊
␉uint8_t unlocked;␊
} vBiosMap;␊
␊
vBiosMap *map;␊
␊
vBiosMap * openVbios(chipsetType type);␊
void closeVbios (vBiosMap* map);␊
␊
void unlockVbios(vBiosMap* map);␊
void relockVbios(vBiosMap* map);␊
␊
void saveVbios(vBiosMap* map);␊
void restoreVbios(vBiosMap* map);␊
␊
void saveTables(sModeTable * table);␊
void restoreTables(vBiosMap * map, sModeTable * table);␊
␊
void gtfTimings(uint32_t x, uint32_t y, uint32_t freq,␊
␉␉␉␉ uint32_t *clock,␊
␉␉␉␉ uint16_t *hSyncStart, uint16_t *hSyncEnd, uint16_t *hBlank,␊
␉␉␉␉ uint16_t *vSyncStart, uint16_t *vSyncEnd, uint16_t *vBlank);␊
␊
sModeTable * intializeTables(vBiosMap * map, int tablesCount);␊
␊
void patchVbios(vBiosMap* map, uint32_t x, uint32_t y, uint32_t bp, uint32_t hTotal, uint32_t vTotal);␊
␊
#endif␊
branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.c
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/*␊
* nvidia_resolution.c␊
* ␊
*␊
* Created by Le Bidou on 19/03/10.␊
* Copyright 2010 ---. All rights reserved.␊
*␊
*/␊
␊
#include "nvidia_resolution.h"␊
␊
vBiosMap * openNvidiaVbios(vBiosMap *map)␊
{␊
␉unsigned short nvDataTableOffset = 0;␊
␉unsigned short nvModeline_2_Offset = 0;␊
␉unsigned short * nvDataTable = NULL;␊
␉nvVesaTable * stdVesa;␊
␉␊
␉// initialize the table chain with two elements␊
␉sModeTable * table = intializeTables(map, 2);␊
␉/*␊
␉ * Locate the VESA Tables␊
␉ */␊
␉␊
␉int i = 0;␊
␉//First VESA Table␊
␉while (i < 0x300) //We don't need to look for the table in the whole bios, the 768 first bytes only␊
␉{ ␊
␉␉if ((map->biosPtr[i] == 0x44) ␊
␉␉␉&& (map->biosPtr[i+1] == 0x01) ␊
␉␉␉&& (map->biosPtr[i+2] == 0x04) ␊
␉␉␉&& (map->biosPtr[i+3] == 0x00)) {␊
␉␉␉nvDataTableOffset = (unsigned short) (map->biosPtr[i+4] | (map->biosPtr[i+5] << 8));␊
␉␉␉break;␊
␉␉}␊
␉␉i++;␊
␉}␊
␉␊
␉nvDataTable = (unsigned short *) (map->biosPtr + (nvDataTableOffset + OFFSET_TO_VESA_TABLE_INDEX));␊
␉stdVesa = (nvVesaTable *) (map->biosPtr + *nvDataTable);␊
␉table->pointer = (uint8_t *) stdVesa + sizeof(nvCommonTableHeader);␊
␉printf("First Standard VESA Table at offset 0x%x\n",(unsigned int) (table->pointer - map->biosPtr));␊
␉␊
␉//Second VESA Table␊
␉while (i < VBIOS_SIZE) //We don't know how to locate it other way␊
␉{␊
␉␉if ((map->biosPtr[i] == 0x40) && (map->biosPtr[i+1] == 0x01) //this is the first 320x200 modeline.␊
␉␉␉&& (map->biosPtr[i+2] == 0xC8) && (map->biosPtr[i+3] == 0x00)␊
␉␉␉&& (map->biosPtr[i+4] == 0x28)␊
␉␉␉&& (map->biosPtr[i+5] == 0x18)␊
␉␉␉&& (map->biosPtr[i+6] == 0x08)␊
␉␉␉&& (map->biosPtr[i+7] == 0x08))␊
␉␉{␊
␉␉␉nvModeline_2_Offset = (unsigned short) i;␊
␉␉␉break;␊
␉␉}␊
␉␉i++;␊
␉}␊
␊
␉if (nvModeline_2_Offset == (VBIOS_SIZE-1) || nvModeline_2_Offset == 0)␊
␉{␊
␉␉//If no second vesa table is available, free the corresponding table in chain␊
␉␉free(table->next);␊
␉␉table->next = NULL;␊
␉␉PRINT("There is no Second Standard VESA Table to patch\n");␊
␉} ␊
␉else␊
␉{␊
␉␉table = table->next;␊
␉␉table->pointer = map->biosPtr + nvModeline_2_Offset;␊
␉␉PRINT("Second Standard VESA Table at offset 0x%x\n", (unsigned int)(table->pointer - map->biosPtr));␊
␉}␊
␉␊
␉if (table->prev->pointer == NULL)␊
␉{␊
␉␉PRINT("Unable to locate the mode table.\n");␊
␉␉PRINT("Please run the program 'dumpBios' as root and\n");␊
␉␉PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");␊
␉␉␊
␉␉closeVbios(map);␊
␉␉return 0;␊
␉}␊
␉␊
␉// reset the table pointer to the first in chain␊
␉table = map->modeTables;␊
␉␊
␉/*␊
␉ * for each table in chain, figure out how many modes are available␊
␉ * and what is the size of the table␊
␉ */␊
␉while (table != NULL)␊
␉{␊
␉␉table->modeCount = 0;␊
␉␉PRINT("Table #%d has ", table->id);␊
␉␉␊
␉␉if (table->id == MAIN_VESA_TABLE)␊
␉␉{␊
␉␉␉table->modeCount = stdVesa->header.tableSize & 0xff;␊
␉␉␉if (table->modeCount == 0) table->modeCount = 16;␊
␉␉␉table->size = table->modeCount * sizeof(nvModeline);␊
␉␉}␊
␉␉␊
␉␉if (table->id == SECOND_VESA_TABLE)␊
␉␉{␊
␉␉␉nvModeline_2 * modePtr = (nvModeline_2 *)table->pointer;␊
␉␉␉while (1)␊
␉␉␉{␊
␉␉␉␉if (modePtr[table->modeCount].hActive > 2048) break;␊
␉␉␉␉table->modeCount++;␉␉␊
␉␉␉}␊
␉␉␉if (table->modeCount == 0) table->modeCount = 31;␊
␉␉␉table->size = table->modeCount * sizeof(nvModeline_2);␊
␉␉}␊
␉␉␊
␉␉PRINT("%d modes\n", table->modeCount);␊
␉␉table = table->next;␊
␉}␊
␉␊
␉map->setMode = nvidiaSetMode;␊
␉␊
␉saveTables(map->modeTables);␊
␉␊
#ifdef AUTORES_DEBUG␊
␉PRINT("Press Any Key...\n");␊
␉getc();␊
#endif␊
␉␊
␉return map;␊
}␊
␊
bool nvidiaSetMode(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)␊
{␊
␉//In First VESA table, only first mode in table is patched␊
␉if (table->id == MAIN_VESA_TABLE)␊
␉{␊
␉␉nvModeline * modeTiming = (nvModeline *)table->pointer;␊
␉␉␊
␉␉// patch only if mode differs and if the mode to patch isn't a console mode␊
␉␉if (((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive))␊
␉␉␉&& (modeTiming[idx].hActive > 100))␊
␉␉{␊
␉␉␉␊
␉␉␉PRINT("Mode %dx%d -> ", modeTiming[idx].hActive, modeTiming[idx].vActive);␊
␉␉␉␊
␉␉␉if (modeTiming[idx].hActive != *x)␊
␉␉␉{␊
␉␉␉␉modeTiming[idx].hActive = *x;␊
␉␉␉␉modeTiming[idx].hActiveMinusOne = *x - 1;␊
␉␉␉␉modeTiming[idx].hActiveMinusOne_ = *x - 1;␊
␉␉␉}␊
␉␉␉␊
␉␉␉modeTiming[idx].vActive = *y;␊
␉␉␉modeTiming[idx].vActiveMinusOne = *y - 1;␊
␉␉␉modeTiming[idx].vActiveMinusOne_ = *y - 1;␊
␉␉␉␊
␉␉␉PRINT("%dx%d (%d %d %d %d %d %d)\n",␊
␉␉␉␉ modeTiming[idx].hActive,␊
␉␉␉␉ modeTiming[idx].vActive,␊
␉␉␉␉ modeTiming[idx].hSyncStart,␊
␉␉␉␉ modeTiming[idx].hSyncEnd,␊
␉␉␉␉ modeTiming[idx].hTotal,␊
␉␉␉␉ modeTiming[idx].vSyncStart,␊
␉␉␉␉ modeTiming[idx].vSyncEnd,␊
␉␉␉␉ modeTiming[idx].vTotal);␊
␉␉}␊
␉␉␊
␉␉//Since we are only patching the first mode, this deprecated␊
␉␉*x = modeTiming[idx + 1].hActive;␊
␉␉*y = modeTiming[idx + 1].vActive;␊
␉}␊
␉␊
␉if (table->id == SECOND_VESA_TABLE)␊
␉{␊
␉␉nvModeline_2 * modeTiming = (nvModeline_2 *) table->pointer;␊
␉␉int h = *y;␊
␉␉int w = *x;␊
␉␉␊
␉␉while (idx < table->modeCount)␊
␉␉{␊
␉␉␉*y = *x * h / w;␊
␉␉␉//patch only different mode in table except console modes and 320 wide modes␊
␉␉␉if (((*x != modeTiming[idx].hActive) || (*y != modeTiming[idx].vActive))␊
␉␉␉␉&& (modeTiming[idx].hActive > 400))␊
␉␉␉{␊
␉␉␉␊
␉␉␉␉PRINT("Mode %dx%d -> ", modeTiming[idx].hActive, modeTiming[idx].vActive);␊
␉␉␉␊
␉␉␉␉if (modeTiming[idx].hActive != *x)␊
␉␉␉␉␉modeTiming[idx].hActive = *x;␊
␉␉␉␊
␉␉␉␉modeTiming[idx].vActive = *y;␊
␉␉␉␊
␉␉␉␉PRINT("%dx%d (%d %d %d %d ",␊
␉␉␉␉␉ modeTiming[idx].hActive,␊
␉␉␉␉␉ modeTiming[idx].vActive,␊
␉␉␉␉␉ modeTiming[idx].hActive + modeTiming[idx].hSyncOffset,␊
␉␉␉␉␉ modeTiming[idx].hActive + modeTiming[idx].hSyncOffset + modeTiming[idx].hSyncWidth,␊
␉␉␉␉␉ modeTiming[idx].hActive + modeTiming[idx].hBlank,␊
␉␉␉␉␉ modeTiming[idx].vActive + modeTiming[idx].vBlank);␊
␉␉␉␊
␉␉␉␉if ((modeTiming[idx].flags & HSyncPolarityMask) == HSyncPolarityMask)␊
␉␉␉␉{␉PRINT("H- ");␉}␊
␉␉␉␉else␊
␉␉␉␉{␉PRINT("H+ ");␉}␊
␊
␉␉␉␉if ((modeTiming[idx].flags & VSyncPolarityMask) == VSyncPolarityMask)␊
␉␉␉␉{␉PRINT("V-)\n");␉}␊
␉␉␉␉else␊
␉␉␉␉{␉PRINT("V+)\n");␉}␊
␉␉␉}␊
␉␉␉//returns the next mode in table␊
␉␉␉*x = modeTiming[idx + 1].hActive;␊
␉␉␉*y = modeTiming[idx + 1].vActive;␊
␉␉␉␊
␉␉␉idx++;␊
␉␉}␊
␉}␊
␉return TRUE;␊
}
branches/azimutz/Chazi/i386/libsaio/nvidia_resolution.h
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/*␊
* nviviaresolution.h␊
* ␊
*␊
* Created by Le Bidou on 19/03/10.␊
* Copyright 2010 ---. All rights reserved.␊
*␊
*/␊
␊
#ifndef _NVDA_RESOLUTION_HEADER_␊
#define _NVDA_RESOLUTION_HEADER_␊
␊
#include "libsaio.h"␊
#include "autoresolution.h"␊
␊
#define NVIDIA_SIGNATURE "NVIDIA Corp"␊
␊
#define OFFSET_TO_VESA_TABLE_INDEX 2␊
#define MAIN_VESA_TABLE 0␊
#define SECOND_VESA_TABLE 1␊
␊
#define HSyncPolarityMask␉␉0x4␊
#define VSyncPolarityMask␉␉0x2␊
#define isGraphicsModeMask␉␉0x1␊
␊
typedef struct {␊
␉unsigned char␉tableMajor; //These names are probably wrong␊
␉unsigned char␉tableMinor;␊
␉unsigned char␉tableRev;␊
␉unsigned short␉tableSize;␊
}__packed nvCommonTableHeader;␊
␊
typedef struct {␊
␉unsigned short␉clock;␊
␉unsigned short␉hActive;␊
␉unsigned short hActiveMinusOne;␊
␉unsigned short␉reserved1;␊
␉unsigned short hActiveMinusOne_;␊
␉unsigned short␉hSyncStart;␊
␉unsigned short␉hSyncEnd;␊
␉unsigned short␉hTotal;␊
␉unsigned short␉vActive;␊
␉unsigned short vActiveMinusOne;␊
␉unsigned short␉reserved2;␊
␉unsigned short vActiveMinusOne_;␊
␉unsigned short␉vSyncStart;␊
␉unsigned short␉vSyncEnd;␊
␉unsigned short␉vTotal;␊
␉unsigned short␉reserved3;␊
}__packed nvModeline;␊
␊
typedef struct {␊
␉unsigned short hActive;␊
␉unsigned short vActive;␊
␉unsigned char hBlank;␊
␉unsigned char hSyncOffset;␊
␉unsigned char hSyncWidth;␊
␉unsigned char vBlank;␊
␉//unsigned char vSyncwidth;␊
␉unsigned char flags; //looks like flags & 1 means "Graphics Mode", to oppose to "Console Mode"␊
␉//on 7xxx the high four bits look like a mode id number.␊
␉//on 8xxx only the low four bits are used, standard graphics mode are always 5.␊
␉//␉␉it can be 1 (1400x1050 and 2048x1536) (HSync High, VSync High ?)␊
␉//␉␉␉␉ 3 (1440x900, 1680x1050 and 1920x1200) (HSync High, VSync Low ?)␊
␉//␉␉␉␉ 5 (Standard Timings) (HSync Low, VSync High ?)␊
␉//␉␉␉ or 7 (1280x800 and 768x340) (HSync Low, VSync Low ?)␊
}__packed nvModeline_2;␊
␊
typedef struct {␊
␉nvCommonTableHeader␉header;␊
␉nvModeline␉*␉␉␉modelines;␊
}__packed nvVesaTable;␊
␊
vBiosMap * openNvidiaVbios(vBiosMap *map);␊
␊
bool nvidiaSetMode(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);␊
␊
#endif
branches/azimutz/Chazi/i386/libsaio/edid.c
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/*␊
* edid.c␊
* ␊
*␊
* Created by Evan Lojewski on 12/1/09.␊
* Copyright 2009. All rights reserved.␊
*␊
*/␊
␊
␊
#include "libsaio.h"␊
#include "edid.h"␊
#include "vbe.h"␊
#include "bootstruct.h"␊
#include "graphics.h"␊
#include "boot.h"␊
␊
␊
//static biosBuf_t bb;␊
␊
UInt32 xResolution = 0;␊
UInt32 yResolution = 0;␊
UInt32 bpResolution = 0;␊
␊
␊
void getResolution(UInt32* params)␊
{␊
␉unsigned char* edidInfo = readEDID();␊
␉␊
␉if(!edidInfo) {␊
␉␉xResolution = 1024;␊
␉␉yResolution = 768;␊
␉␉bpResolution = 32;␊
␉␉␊
␉␉free( edidInfo );␊
␉} else {␊
␉␉// TODO: check *all* resolutions reported and eithe ruse the highest, or the native resolution (if there is a flag for that)␊
␉␉xResolution = edidInfo[56] | ((edidInfo[58] & 0xF0) << 4);␊
␉␉yResolution = edidInfo[59] | ((edidInfo[61] & 0xF0) << 4);␊
␉␉␊
␉␉bpResolution = 32;␉// assume 32bits␊
␉␉␊
␉␉free( edidInfo );␊
␉␉␊
␉␉// Mode Sanity check␊
␉␉if ((xResolution < 1024) || !yResolution || !xResolution) ␊
␉␉{␊
␉␉␉xResolution = 1024;␊
␉␉␉yResolution = 768;␊
␉␉}␊
␉␉␊
␉␉params[0] = xResolution;␊
␉␉params[1] = yResolution;␊
␉␉params[2] = bpResolution;␊
␉}␊
}␊
␊
␊
unsigned char* readEDID()␊
{␊
␉SInt16 last_reported = -1;␊
␉UInt8 edidInfo[EDID_BLOCK_SIZE];␊
␊
␉//UInt8 pointer;␊
␊
␉UInt8 header1[] = {0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00};␊
␉UInt8 header2[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};␊
␉␊
␉int status;␊
␉unsigned int blocks_left = 1;␊
␉␊
␉do␊
␉{␊
␉␉// TODO: This currently only retrieves the *last* block, make the block buffer expand as needed / calculated from the first block␊
␊
␉␉bzero( edidInfo, EDID_BLOCK_SIZE);␊
␊
␉␉status = getEDID(edidInfo, blocks_left);␊
␉␉␊
␉␉␉␉//printf("Buffer location: 0x%X\n", SEG(buffer) << 16 | OFF(buffer));␊
␊
␉␉/*␊
␉␉int j, i;␊
␉␉for (j = 0; j < 8; j++) {␊
␉␉␉for(i = 0; i < 16; i++) printf("0x%X ", ebiosInfo[((i+1) * (j + 1)) - 1]);␊
␊
␉␉}␊
␉␉printf("\n");␊
␉␉*/␊
␉␉␊
␉␉if(status == 0)␊
␉␉{␊
␉␉␉//if( edidInfo[0] == 0x00 || edidInfo[0] == 0xFF)␊
␉␉␉if((memcmp(edidInfo, header1, sizeof(header1)) != 0) ||␊
␉␉␉ (memcmp(edidInfo, header2, sizeof(header2)) != 0) )␊
␉␉␉{␊
␉␉␉␉blocks_left--;␊
␉␉␉␉int reported = edidInfo[ EDID_V1_BLOCKS_TO_GO_OFFSET ];␊
␉␉␉␉␊
␉␉␉␉if ( reported > blocks_left )␊
␉␉␉␉{␊
␉␉␉␉␉␊
␉␉␉␉␉printf("EDID claims %d more blocks left\n", reported);␊
␉␉␉␉}␊
␉␉␉␉␊
␉␉␉␉if ( (last_reported <= reported && last_reported != -1)␊
␉␉␉␉␉|| reported == 0xff␊
␉␉␉␉␉/* 0xff frequently comes up in corrupt edids */␊
␉␉␉␉␉//|| reported == MAGIC␊
␉␉␉␉␉)␊
␉␉␉␉{␊
␉␉␉␉␉printf("Last reported %d\n", last_reported);␊
␉␉␉␉␉printf( "EDID blocks left is wrong.\n"␊
␉␉␉␉␉␉ "Your EDID is probably invalid.\n");␊
␉␉␉␉␉return 0;␊
␉␉␉␉}␊
␉␉␉␉else␊
␉␉␉␉{␊
␉␉␉␉␉//printf("Reading EDID block\n");␊
␉␉␉␉␉//printf("H Active = %d", ebiosInfo[56] | ((ebiosInfo[58] & 0xF0) << 4) );␊
␉␉␉␉␉//printf("V Active = %d", ebiosInfo[59] | ((ebiosInfo[61] & 0xF0) << 4) );␊
␊
␉␉␉␉␉last_reported = reported;␊
␉␉␉␉␉blocks_left = reported;␊
␉␉␉␉}␊
␉␉␉} ␊
␉␉␉else␊
␉␉␉{␊
␉␉␉␉printf("Invalid block %d\n", blocks_left);␊
␉␉␉␉printf("Header1 = %d", memcmp(edidInfo, header1, sizeof(header1)) );␊
␉␉␉␉printf("Header2 = %d", memcmp(edidInfo, header2, sizeof(header2)) );␊
␉␉␉␉return 0;␊
␉␉␉}␊
␉␉} else {␊
␉␉␉return 0;␊
␉␉}␊
␊
␉␉␊
␉␉blocks_left = 0;␉␊
␉} while(blocks_left);␊
␊
␉UInt8* ret = malloc(sizeof(edidInfo));␊
␉memcpy(ret, edidInfo, sizeof(edidInfo));␊
␉return (ret);␊
}␊
branches/azimutz/Chazi/i386/libsaio/edid.h
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/*␊
* edid.h␊
* ␊
*␊
* Created by Evan Lojewski on 12/1/09.␊
* Copyright 2009. All rights reserved.␊
*␊
*/␊
␊
#ifndef _EDID_H␊
#define _EDID_H␊
␊
#define EDID_BLOCK_SIZE␉128␊
#define EDID_V1_BLOCKS_TO_GO_OFFSET 126␊
␊
#define SERVICE_REPORT_DDC␉0␊
#define SERVICE_READ_EDID␉1␊
#define SERVICE_LAST␉␉1 // Read VDIF has been removed from the spec.␊
␊
#define FUNC_GET_EDID␉␉0x4F15␊
␊
typedef struct _edid_mode {␊
␉unsigned short pixel_clock;␊
␉unsigned short h_active;␊
␉unsigned short h_blanking;␊
␉unsigned short v_active;␊
␉unsigned short v_blanking;␊
␉unsigned short h_sync_offset;␊
␉unsigned short h_sync_width;␊
␉unsigned short v_sync_offset;␊
␉unsigned short v_sync_width;␊
}edid_mode;␊
␊
␊
unsigned char* readEDID();␊
void getResolution(UInt32* params);␊
␊
#endif
branches/azimutz/Chazi/i386/libsaio/gma_resolution.c
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/*␊
* gmaResolution.c␊
* ␊
*␊
* Created by Le Bidou on 19/03/10.␊
* Copyright 2010 ---. All rights reserved.␊
*␊
*/␊
␊
#include "gma_resolution.h"␊
␊
char * biosTypeNames[] = {"UNKNOWN", "TYPE 1", "TYPE 2", "TYPE 3"};␊
int freqs[] = { 60, 75, 85 };␊
␊
␊
vbiosResolutionType1 * mapType1Resolution(vBiosMap * map, uint16_t res)␊
{␊
␉vbiosResolutionType1 * ptr = ((vbiosResolutionType1*)(map->biosPtr + res)); ␊
␉return ptr;␊
}␊
␊
vbiosResolutionType2 * mapType2Resolution(vBiosMap * map, uint16_t res)␊
{␊
␉vbiosResolutionType2 * ptr = ((vbiosResolutionType2*)(map->biosPtr + res)); ␊
␉return ptr;␊
}␊
␊
vbiosResolutionType3 * mapType3Resolution(vBiosMap * map, uint16_t res)␊
{␊
␉vbiosResolutionType3 * ptr = ((vbiosResolutionType3*)(map->biosPtr + res)); ␊
␉return ptr;␊
}␊
␊
char detectBiosType(vBiosMap * map, char modeline, int entrySize)␊
{␊
␉uint32_t i;␊
␉uint16_t r1, r2;␊
␉␊
␉vbiosMode * modeTable = (vbiosMode *)map->modeTables->pointer;␊
␉␊
␉r1 = r2 = 32000;␊
␉␊
␉for (i=0; i < map->modeTables->size; i++)␊
␉{␊
␉␉if (modeTable[i].resolution <= r1)␊
␉␉␉r1 = modeTable[i].resolution;␊
␉␉else if (modeTable[i].resolution <= r2)␊
␉␉␉r2 = modeTable[i].resolution;␊
␉}␊
␉␊
␉return (r2-r1-6) % entrySize == 0;␊
}␊
␊
vBiosMap * openIntelVbios(vBiosMap *map)␊
{␊
␉/*␊
␉ * Find the location of the Mode Table␊
␉ */␊
␉unsigned char* p = map->biosPtr + 16;␊
␉unsigned char* limit = map->biosPtr + VBIOS_SIZE - (3 * sizeof(vbiosMode));␊
␉␊
␉// initialize the table chain with one element␊
␉sModeTable * table = intializeTables(map, 1);␊
␉␊
␉while (p < limit && table->pointer == 0)␊
␉{␊
␉␉vbiosMode* modePtr = (vbiosMode*) p;␊
␉␉␊
␉␉if (((modePtr[0].mode & 0xf0) == 0x30) && ((modePtr[1].mode & 0xf0) == 0x30) &&␊
␉␉␉((modePtr[2].mode & 0xf0) == 0x30) && ((modePtr[3].mode & 0xf0) == 0x30))␊
␉␉{␊
␉␉␉␊
␉␉␉table->pointer = (uint8_t *)modePtr;␊
␉␉}␊
␉␉␊
␉␉p++;␊
␉}␊
␉␊
␉if (table->pointer == 0)␊
␉{␊
␉␉PRINT("Unable to locate the mode table.\n");␊
␉␉PRINT("Please run the program 'dump_bios' as root and\n");␊
␉␉PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");␊
␉␉␊
␉␉closeVbios(map);␊
␉␉return 0;␊
␉}␊
␉␊
␉PRINT("Mode Table at offset : 0x%x\n", (table->pointer) - map->biosPtr);␊
␉␊
␉/*␊
␉ * Determine size of mode table␊
␉ */␊
␉␊
␉vbiosMode * modePtr = (vbiosMode *)table->pointer;␊
␉␊
␉while (modePtr->mode != 0xff)␊
␉{␊
␉␉table->size++;␊
␉␉modePtr++;␊
␉}␊
␉␊
␉table->modeCount = table->size;␊
␉PRINT("Mode Table size : %d\n", table->modeCount);␊
␉␊
␉/*␊
␉ * Figure out what type of bios we have␊
␉ * order of detection is important␊
␉ */␊
␉␊
␉if (detectBiosType(map, TRUE, sizeof(vbiosModelineType3)))␊
␉{␊
␉␉map->bios = BT_3;␊
␉␉map->setMode = intelSetMode_3;␊
␉␉PRINT("Bios Type : BT_3\n");␊
␉}␊
␉else if (detectBiosType(map, TRUE, sizeof(vbiosModelineType2)))␊
␉{␊
␉␉map->bios = BT_2;␊
␉␉map->setMode = intelSetMode_2;␊
␉␉PRINT("Bios Type : BT_2\n");␊
␉}␊
␉else if (detectBiosType(map, FALSE, sizeof(vbiosResolutionType1)))␊
␉{␊
␉␉map->bios = BT_1;␊
␉␉map->setMode = intelSetMode_1;␊
␉␉PRINT("Bios Type : BT_1\n");␊
␉}␊
␉else␊
␉{␊
␉␉PRINT("Unable to determine bios type.\n");␊
␉␉PRINT("Please run the program 'dump_bios' as root and\n");␊
␉␉PRINT("email the file 'vbios.dmp' to gaeloulacuisse@yahoo.fr.\n");␊
␉␉␊
␉␉return 0;␊
␉}␊
␉␊
␉return map;␊
}␊
␉␊
␊
␊
bool intelSetMode_1(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)␊
{␊
␉vbiosMode *modeTiming = (vbiosMode *) table->pointer;␊
␉vbiosResolutionType1 * res = mapType1Resolution(map, modeTiming[idx].resolution);␊
␉␊
␉//retreive the original mode's dimensions␊
␉uint32_t actualX = ((res->hActive2 & 0xf0) << 4) | (res->hActive1 & 0xff);␊
␉uint32_t actualY = ((res->vActive2 & 0xf0) << 4) | (res->vActive1 & 0xff);␊
␉␊
␉// patch only if mode differs␊
␉if ((*x != actualX) || (*y != actualY))␊
␉{␉␊
␉␉PRINT("Mode %dx%d -> ", actualX, actualY);␊
␉␉␊
␉␉res->hActive2 = (res->hActive2 & 0x0f) | ((*x >> 4) & 0xf0);␊
␉␉res->hActive1 = (*x & 0xff);␊
␉␉␊
␉␉res->vActive2 = (res->hActive2 & 0x0f) | ((*y >> 4) & 0xf0);␊
␉␉res->vActive1 = (*y & 0xff);␊
␉␉␊
␉␉uint32_t actualX = ((res->hActive2 & 0xf0) << 4) | (res->hActive1 & 0xff);␊
␉␉uint32_t actualY = ((res->vActive2 & 0xf0) << 4) | (res->vActive1 & 0xff);␊
␉␉␊
␉␉PRINT("%dx%d \n", actualX, actualY);␊
␉}␊
␉␊
␉//since only the first mode is patched, this is deprecated␊
␉res = mapType1Resolution(map, modeTiming[idx + 1].resolution);␊
␉␊
␉actualX = ((res->hActive2 & 0xf0) << 4) | (res->hActive1 & 0xff);␊
␉actualY = ((res->vActive2 & 0xf0) << 4) | (res->vActive1 & 0xff);␊
␉␊
␉*x = actualX;␊
␉*y = actualY;␊
␉␊
␉return true;␊
}␊
␊
bool intelSetMode_2(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)␊
{␊
␉uint32_t xprev, yprev, j = 0;␊
␉␊
␉vbiosMode *modeTiming = (vbiosMode *) table->pointer;␊
␉vbiosResolutionType2 * res = mapType2Resolution(map, modeTiming[idx].resolution);␊
␉␊
␉//patch only if mode differs␊
␉if (␉(*x != (res->modelines[0].hActive1 + 1)) ␊
␉␉||␉(*y != (res->modelines[0].vActive1 + 1)) )␊
␉{␊
␉␉␊
␉␉PRINT("Mode %dx%d -> ", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);␊
␉␉␊
␉␉res->xChars = *x / 8;␊
␉␉res->yChars = *y / 16 - 1;␊
␉␉xprev = res->modelines[0].hActive1;␊
␉␉yprev = res->modelines[0].vActive1;␊
␉␉␊
␉␉// recalculate timigs for all frequencies and patch␊
␉␉for(j = 0; j < 3; j++)␊
␉␉{␊
␉␉␉vbiosModelineType2 * mode = &res->modelines[j];␊
␉␉␉␊
␉␉␉if (mode->hActive1 == xprev && mode->vActive1 == yprev)␊
␉␉␉{␊
␉␉␉␉mode->hActive1 = mode->hActive2 = *x - 1;␊
␉␉␉␉mode->vActive1 = mode->vActive2 = *y - 1;␊
␉␉␉␉␊
␉␉␉␉gtfTimings(*x, *y, freqs[j], &mode->clock,␊
␉␉␉␉␉␉␉&mode->hSyncStart, &mode->hSyncEnd,␊
␉␉␉␉␉␉␉&mode->hBlank, &mode->vSyncStart,␊
␉␉␉␉␉␉␉&mode->vSyncEnd, &mode->vBlank);␊
␉␉␉␉␊
␉␉␉␉mode->hTotal = mode->hBlank;␊
␉␉␉␉mode->vTotal = mode->vBlank;␊
␉␉␉}␊
␉␉}␊
␉␉PRINT("%dx%d\n", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);␊
␉␉␊
␉}␊
␉//since only the first mode is patched, this is deprecated␊
␉res = mapType2Resolution(map, modeTiming[idx + 1].resolution);␊
␉␊
␉*x = res->modelines[0].hActive1 + 1;␊
␉*y = res->modelines[0].vActive1 + 1;␊
␉␊
␉return true;␊
}␊
␊
bool intelSetMode_3(sModeTable * table, uint8_t idx, uint32_t* x, uint32_t* y)␊
{␊
␉uint32_t xprev, yprev, j = 0;␊
␉␊
␉vbiosMode *modeTiming = (vbiosMode *) table->pointer;␊
␉vbiosResolutionType3 * res = mapType3Resolution(map, modeTiming[idx].resolution);␊
␉␊
␉// patch only if mode differs␊
␉if (␉(*x != (res->modelines[0].hActive1 + 1)) ␊
␉␉||␉(*y != (res->modelines[0].vActive1 + 1)) )␊
␉{␊
␉␉␊
␉␉PRINT("Mode %dx%d -> ", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);␊
␉␉␊
␉␉xprev = res->modelines[0].hActive1;␊
␉␉yprev = res->modelines[0].vActive1;␊
␉␉␊
␉␉// recalculate timings for all frequencies and patch␊
␉␉for(j = 0; j < 3; j++) {␊
␉␉␉vbiosModelineType3 * mode = &res->modelines[j];␊
␉␉␉␊
␉␉␉if (mode->hActive1 == xprev && mode->vActive1 == yprev)␊
␉␉␉{␊
␉␉␉␉mode->hActive1 = mode->hActive2 = *x - 1;␊
␉␉␉␉mode->vActive1 = mode->vActive2 = *y - 1;␊
␉␉␉␉␊
␉␉␉␉gtfTimings(*x, *y, freqs[j], &mode->clock,␊
␉␉␉␉␉␉␉&mode->hSyncStart, &mode->hSyncEnd,␊
␉␉␉␉␉␉␉&mode->hBlank, &mode->vSyncStart,␊
␉␉␉␉␉␉␉&mode->vSyncEnd, &mode->vBlank);␊
␉␉␉␉␊
␉␉␉␉mode->hTotal = mode->hBlank;␊
␉␉␉␉mode->vTotal = mode->vBlank;␊
␉␉␉␉␊
␉␉␉␉mode->timingH = *y-1;␊
␉␉␉␉mode->timingV = *x-1;␊
␉␉␉}␊
␉␉}␊
␉␉␊
␉␉PRINT("%dx%d\n", res->modelines[0].hActive1 + 1, res->modelines[0].vActive1 + 1);␊
␉␉␊
␉}␊
␉//since only the first mode is patched, this is deprecated␊
␉res = mapType3Resolution(map, modeTiming[idx + 1].resolution);␊
␉␊
␉*x = res->modelines[0].hActive1 + 1;␊
␉*y = res->modelines[0].vActive1 + 1;␊
␉␊
␉return true;␊
}
branches/azimutz/Chazi/i386/libsaio/gma_resolution.h
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/*␊
* gma_resolution.h␊
* ␊
*␊
* Created by Le Bidou on 19/03/10.␊
* Copyright 2010 ---. All rights reserved.␊
*␊
*/␊
␊
#ifndef _GMA_RESOLUTION_H_␊
#define _GMA_RESOLTUION_H_␊
␊
#include "libsaio.h"␊
#include "autoresolution.h"␊
␊
#define MODE_TABLE_OFFSET_845G 617␊
#define INTEL_SIGNATURE "Intel Corp"␊
␊
typedef struct {␊
␉uint8_t mode;␊
␉uint8_t bitsPerPixel;␊
␉uint16_t resolution;␊
␉uint8_t unknown;␊
} __packed vbiosMode;␊
␊
typedef struct {␊
␉uint8_t unknow1[2];␊
␉uint8_t hActive1;␊
␉uint8_t xTotal;␊
␉uint8_t hActive2;␊
␉uint8_t vActive1;␊
␉uint8_t yTotal;␊
␉uint8_t vActive2;␊
} __packed vbiosResolutionType1;␊
␊
typedef struct {␊
␉uint32_t clock;␊
␉␊
␉uint16_t hActive1;␊
␉uint16_t hTotal;␊
␉uint16_t hActive2;␊
␉uint16_t hBlank;␊
␉uint16_t hSyncStart;␊
␉uint16_t hSyncEnd;␊
␉uint16_t vActive1;␊
uint16_t vTotal;␊
uint16_t vActive2;␊
␉uint16_t vBlank;␊
␉uint16_t vSyncStart;␊
␉uint16_t vSyncEnd;␊
} __packed vbiosModelineType2;␊
␊
typedef struct {␊
␉uint8_t xChars;␊
␉uint8_t yChars;␊
␉uint8_t unknown[4];␊
␉␊
␉vbiosModelineType2 modelines[];␊
} __packed vbiosResolutionType2;␊
␊
typedef struct {␊
␉uint32_t clock;␊
␉␊
␉uint16_t hActive1;␊
␉uint16_t hTotal;␊
␉uint16_t hActive2;␊
␉uint16_t hBlank;␊
␉uint16_t hSyncStart;␊
␉uint16_t hSyncEnd;␊
␉␊
␉uint16_t vActive1;␊
␉uint16_t vTotal;␊
␉uint16_t vActive2;␊
␉uint16_t vBlank;␊
␉uint16_t vSyncStart;␊
␉uint16_t vSyncEnd;␊
␉␊
␉uint16_t timingH;␊
␉uint16_t timingV;␊
␉␊
␉uint8_t unknown[6];␊
} __packed vbiosModelineType3;␊
␊
typedef struct {␊
␉unsigned char unknown[6];␊
␉␊
vbiosModelineType3 modelines[];␊
} __packed vbiosResolutionType3;␊
␊
␊
vbiosResolutionType1 * mapType1Resolution(vBiosMap * map, uint16_t res);␊
vbiosResolutionType2 * mapType2Resolution(vBiosMap * map, uint16_t res);␊
vbiosResolutionType3 * mapType3Resolution(vBiosMap * map, uint16_t res);␊
␊
char detectBiosType(vBiosMap * map, char modeline, int entrySize);␊
␊
vBiosMap * openIntelVbios(vBiosMap *);␊
␊
bool intelSetMode_1(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);␊
bool intelSetMode_2(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);␊
bool intelSetMode_3(sModeTable* table, uint8_t idx, uint32_t* x, uint32_t* y);␊
␊
#endif

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